New information systems are created when existing systems do not adequately meet the needs of users of the information system, or when there is a need that could be met by an information system. The success of a new system depends upon:
how well the problem is understood
how the system is designed
how it is tested, evaluated and maintained over time.
This topic introduces students to the traditional method for developing systems. Students must engage in project work, both individually and in teams, which supports this understanding by:
planning
designing and
implementing a series of discrete information systems.
Alternatives to this model are presented in the HSC course. Students may begin their project work at any time during the Preliminary course. A minimum of 40% course time is to be devoted to the integration of content into project work in both the Preliminary and HSC courses. It is also expected that a significant proportion of time will be devoted to integrated practical activities.
OutcomesA student: P1.1 describes the nature of information processes and information technology P1.2 classifies the functions and operations of information processes and information technology P2.1 identifies and describes the information processes within an information system P2.2 recognises and explains the interdependence between each of the information processes P3.1 identifies and describes social and ethical issues P4.1 describes the historical developments of information systems and relates these to current and emerging technologies P5.1 selects and ethically uses computer based and non-computer based resources and tools to process information P6.1 analyses and describes an identified need P6.2 generates ideas, considers alternatives and develops solutions for a defined need P7.1 recognises, applies and explains management and communication techniques used in individual and team-based project work P7.2 uses and justifies technology to support individuals and teams
8.3 Developing Information Systems
The success of a new system depends upon:
- how well the problem is understood
- how the system is designed
- how it is tested, evaluated and maintained over time.
This topic introduces students to the traditional method for developing systems. Students must engage in project work, both individually and in teams, which supports this understanding by:- planning
- designing and
- implementing a series of discrete information systems.
Alternatives to this model are presented in the HSC course.Students may begin their project work at any time during the Preliminary course.
A minimum of 40% course time is to be devoted to the integration of content into project work in both the Preliminary and HSC courses. It is also expected that a significant proportion of time will be devoted to integrated practical activities.
P1.1 describes the nature of information processes and information technology
P1.2 classifies the functions and operations of information processes and information technology
P2.1 identifies and describes the information processes within an information system
P2.2 recognises and explains the interdependence between each of the information processes
P3.1 identifies and describes social and ethical issues
P4.1 describes the historical developments of information systems and relates these to current and emerging technologies
P5.1 selects and ethically uses computer based and non-computer based resources and tools to process information
P6.1 analyses and describes an identified need
P6.2 generates ideas, considers alternatives and develops solutions for a defined need
P7.1 recognises, applies and explains management and communication techniques used in individual and team-based project work
P7.2 uses and justifies technology to support individuals and teams
8.3.1 traditional stages in developing a system
http://iptsta.wikispaces.com/8.3.1+traditional+stages+in+developing+a+system8.3.2 Complexity of systems
context diagram:
http://iptsta.wikispaces.com/Context+Diagrams8.3.3: Roles of people involved in systems development
http://iptsta.wikispaces.com/Roles+of+people+involved+in+systems+development8.3.4 social and ethical issues:http://iptsta.wikispaces.com/Social+and+ethical+issues